1.2709 /DIN X3NiCoMoTi18-9-5 datasheet,1.2709 /DIN X3NiCoMoTi18-9-5 chemical,1.2709 /DIN X3NiCoMoTi18-9-5 heat treatment
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1.2709 /DIN X3NiCoMoTi18-9-5
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Technical specifications of DIN 1.2709 hot work tool steel - Chemical composition,Mechanical properties from steelmaking,forging,rolling,heat treatment,cold working. We also possess advanced precision machining equipments for further processing
DATA SHEET - ALLOY TOOL STEEL DIN X3NiCoMoTi18-9-5 & W-Nr 1.2709
MATERIAL CATEGORY: Hot work alloy tool steel
Hot-work die divides into several main types, such as hammer forging, die forging, extrusion and die casting, including hot forging die, press machine forging die, stamping die, hot-extrusion die, metal die-casting mould. Heat distortion mould not only supports huge mechanical stress, but also thermal stress during working repeatedly. Hot-work die steel should have not only high hardness, red hardness, abrasion resistance, toughness, but also have excellent high temperature strength, thermal fatigue stability, thermal conductivity, upper hardenability for guaranteeing the whole cross section with consistent mechanical property. Steel material commonly used are DIN X35CrMoV5-1-1, DIN 1.2344, DIN X20CoCrWMo10-9 (W-Nr 1.2888), DIN X45NiCrMo4, DIN 60NiCrMoV12-4 (W-Nr.1.2743), DIN X13NiCrSi36-16.
MATERIAL SPECIFICATIONS  
EN ISO 4957: 2000 , DIN 17350 (1980)
PRODUCT DESCRIPTION
The alloy is usually produced by EAF /VD /LF /IFF followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the
buyers' requirements.
Bars are usually supplied bright (peeling or centreless grinding) in the softened = SA condition.
Final heat treatment - heat treatment /  spheroidizing annealing
AVAILABLE SHAPES  
Black bar /Flat bar /Square bar
Bright - peeled + polishing /centerless grinding / peeled + slidabrading
Forged - ring /tube /pipe casing /discs /shaft
 

CHEMICAL COMPOSITION (WEIGHT %)
C (%):     ≤ 0.03
Si (%):    ≤ 0.10
Mn (%):   ≤ 0.15
P (%)≤:   0.010
S (%)≤:   0.010
Cr (%):    ≤ 0.025
Mo (%):   4.50 ~ 5.20
V (%):     —
Other (%): Ni 17.0 ~ 19.0, Co 8.50 ~ 10.0,Ti 0.80 ~ 1.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature ℃:  1100~900
Annealing temperature ℃: 840
Hardness after annealing ≤HBW:  -
Quenching temperature ℃:  480
Cooling medium: air
Common tempering temperature ℃:  -
Hardening value after tempering at temperature /MPa |400℃:   -
Hardening value after tempering at temperature  MPa |500℃:   -
Hardening value after tempering at temperature  MPa |600℃:   -
Hardening value after tempering at temperature  MPa |650℃:   -
 

HEAT TREATTMENT PRACTICE
The preheating of measuring and cutting tool steel is spheroidizing annealing, final heat treatment is quenching + low temperature tempering and hardness after heat treatment can reach 60~65HRC. When heat treat tool steel grades consideration should be given to hardening temperature, including ratio of heating, cooling and soaking times which will differ due to factors such as the shape and size of each chemical component. Other considerations during heat treatment include the type of furnace, quenching medium and work piece transfer facilities.
TYPICAL APPLICATIONS
Alloy tool steel is widely used to produce the cutting tool, cold/heat distortion mould and measuring implements,
and further to manufacture the piston, valve, valve seat of fuel pump of diesel engine.
Cutting tools
Mechanical parts 
Air hammer tools
Piercing tools 
 

TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
- Email:
sales@ccsteels.com

PRODUCT PROFILE  
Round bar / Wire rod (Diameter):  0.50mm to 800mm
Square bar / Flat bar: 3mm to 500mm
Length: fixed length, random length or based on the customer's special requirement.

Plate: T6mm X W1000 -2500mm X L2000 - 12000mm
Sheet steel: T0.50-6.00mm X W1000mm X L1000/2000mm, or in coil from
Steel strip: T0.1 - 3.00mm X W8 - 600mm, in coil form
( T=thickness, W=width, L=length )
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.    

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